#app2 {
}
#app2 .tab-bar{
    display: flex;
}

#app2 .tab-bar>li{
    border: 3px solid #f1f1f1;
    width: 50%;
    
}
#app2 .tab-bar>li.selected{
background-color: #bed742;
color:#fff;
}
#app2 .tab-content{
margin-top: 20%;
margin-left: 40%;
font-size: 40px;
}
#app2 .tab-content> li{
    display: none;
}

#app2 .tab-content> li.active{
    display: block;
}